import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
 import App from './App';
import * as serviceWorker from './serviceWorker';



/* class Ipt extends React.Component {
  render() {
    return (
      <div>类组件
        <input  type='text' />
      </div>
    )
  }
} */

/* ReactDOM.render(
  // <React.StrictMode>
  //   <App />
  // </React.StrictMode>,
  <Ipt />,
  document.getElementById('root')
); */


ReactDOM.render(
  // <React.StrictMode>
  //   <App />
  // </React.StrictMode>,
  <App />,
  document.getElementById('root')
);

// If you want your app to work offline and load faster, you can change
// unregister() to register() below. Note this comes with some pitfalls.
// Learn more about service workers: https://bit.ly/CRA-PWA
serviceWorker.unregister();
